<template>
    <template v-if="!item.children">
        <el-menu-item :index="item.index" :class="{ 'submenu-title-noDropdown': !isNest }">
          <template #title><span class="menu-title" >{{ item.label }}</span></template>
        </el-menu-item>
    </template>
    <el-sub-menu v-else ref="subMenu" :index="item.index" teleported>
      <template  #title>
        <span class="menu-title" >{{ item.label }}</span>
      </template>
      <sidebar-item
        v-for="(child, index) in item.children"
        :key="child.index+item.index"
        :is-nest="true"
        :item="child"
        class="nest-menu"
      />
    </el-sub-menu>

</template>

<script setup>
import { isExternal } from '@/utils/validate'
import { getNormalPath } from '@/utils/ruoyi'

const props = defineProps({
  // route object
  item: {
    type: Object,
    required: true
  },
  isNest: {
    type: Boolean,
    default: false
  },
  basePath: {
    type: String,
    default: ''
  }
})

const onlyOneChild = ref({});

function hasOneShowingChild(children = [], parent) {
  if (!children) {
    children = [];
  }
  const showingChildren = children.filter(item => {
    if (item.hidden) {
      return false
    } else {
      // Temp set(will be used if only has one showing child)
      onlyOneChild.value = item
      return true
    }
  })

  // When there is only one child router, the child router is displayed by default
  if (showingChildren.length === 1) {
    return true
  }

  // Show parent if there are no child router to display
  if (showingChildren.length === 0) {
    onlyOneChild.value = { ...parent, path: '', noShowingChildren: true }
    return true
  }

  return false
};

function resolvePath(routePath, routeQuery) {
  if (isExternal(routePath)) {
    return routePath
  }
  if (isExternal(props.basePath)) {
    return props.basePath
  }
  if (routeQuery) {
    let query = JSON.parse(routeQuery);
    return { path: getNormalPath(props.basePath + '/' + routePath), query: query }
  }
  return getNormalPath(props.basePath + '/' + routePath)
}

function hasTitle(title){
  if (title.length > 5) {
    return title;
  } else {
    return "";
  }
}
</script>
